package com.luanqibazao;
class Point1{
    private double x;
    private double y;
    Point1 (double x1,double y1) {
        x = x1;
        y = y1;
    }
    public double getX(){return x;}
    public double getY(){return y;}
    public void setX(double i){x=i;}
    public void setY(double i){y=i;}
}
class Circle{
    private Point1 o;
    private double radius;
    Circle(Point1 p,double r){
        o=p;
        radius=r;
    }
    Circle(double r){
        o=new Point1(0.0,0.0);
        radius=r;
    }
    boolean contains(Point p){
        double x=p.getX()-o.getX();
        double y=p.getY()-o.getY();
        if(x*x+y*y>radius*radius){
            return false;
        }
        else{
            return true;
        }
    }
    public void setO(double x,double y){
        o.setX(x);
        o.setY(y);
    }
    public Point1 getO(){return o;}
    public double getRadius(){return radius;}
    public void setRadius(double r){radius=r;}
    public double area(){
        return 3.14*radius*radius;
    }
}
public class TestCircle {
    public static void main(String args[]){
        Circle c1=new Circle(new Point1(1.0,2.0),2.0);
        Circle c2=new Circle(5.0);
        System.out.println("c1:("+c1.getO().getX()+","+c1.getO().getY()+"),"+c1.getRadius());
        System.out.println("c2:("+c2.getO().getX()+","+c2.getO().getY()+"),"+c2.getRadius());
        System.out.println("c1 area ="+c1.area());
        System.out.println("c1 area ="+c2.area());
        c1.setO(5,6);
        c2.setRadius(9.0);
        System.out.println("c1:("+c1.getO().getX()+","+c1.getO().getY()+"),"+c1.getRadius());
        System.out.println("c2:("+c2.getO().getX()+","+c2.getO().getY()+"),"+c2.getRadius());
        System.out.println("c1 area ="+c1.area());
        System.out.println("c1 area ="+c2.area());

        Point1 p1=new Point1(5.2,6.3);
        System.out.println(c1.contains(p1));
        System.out.println(c1.contains(new Point(10.0,9.0)));

    }
}
